Double vase with bird and bear, also known as a ?Champion vase?, Qing dynasty (1644?1911), Qianlong period (1736?95), 18th century, China, Rhinoceros horn, H. 3 3/4 in. (9.5 cm); W. 3 1/4 in. (8.3 cm); D. 2 3/4 in. (7 cm), Horn, The origin of this ve